Home / 118,548.30-177,785.43-39,644.10

Finding the Fourth Proportional to 118,548.30, 177,785.43 and 39,644.10

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Solution

The fourth proportional to 118,548.30, 177,785.43 and 39,644.10 is: 59,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,548.30 : 177,785.43 = 39,644.10 : x
  2. Step 2: Convert to fraction form
    118,548.30/177,785.43 = 39,644.10/x
  3. Step 3: Cross multiply
    118,548.30x = 177,785.43 × 39,644.10
  4. Step 4: Simplify right side
    118,548.30x = 7,048,143,365.46
  5. Step 5: Solve for x
    x = 7,048,143,365.46/118,548.30
  6. Step 6: Final answer
    x = 59,453.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.